upward flow 上升流 ; 上升气流 ; 向上流动 ; 上向流
upward flow chromatography 上向流色谱法
upward-flow evaporator 上流式蒸发器
upward flow detail 上升水流
upward-flow velocity 上向流速
vertical upward flow 垂直上升管
vertical upward-flow 垂直下行流
How can you cause mucus to flow upward and out of your lungs?
怎样才能引起黏液向上流动，离开肺部呢？
Mantle material can sink at a plate boundary, and then flow back upward farther away, pushing on the crust - a process called small scale convection.
地幔，这种物质可以在板块边界处下沉，然后向上回流到较远的地方，再与地壳相碰撞——这个过程被称为小规模的对流。
NIBCO Iron Body Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.
尼伯科铸铁阀体止回阀可以安装在水平管线或流向朝上的垂直管线中的任何位置上。
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